题目内容
The missing boy was last seen_____ near the East Lake.
| A.playing | B.play | C.played | D.to play |
A
考查分词结构。See sb doing 看见某人正在做某事;本题是这一结构的被动语态。句意:那个失踪的小男孩最后被人看见在东湖边玩耍。
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题目内容
| A.playing | B.play | C.played | D.to play |